:root{color-scheme:light dark;--bg:#f6f8fb;--card:#fff;--text:#172033;--muted:#667085;--line:#d9e0ea;--accent:#2563eb}*{box-sizing:border-box}body{margin:0;font:15px/1.55 system-ui,Arial;background:var(--bg);color:var(--text)}main{max-width:1100px;margin:auto;padding:28px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:0 8px 28px #0001}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}textarea,input,select{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;background:transparent;color:inherit}textarea{min-height:240px;resize:vertical}button{border:0;border-radius:10px;padding:11px 16px;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}button.secondary{background:#475467}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.muted{color:var(--muted)}pre{white-space:pre-wrap;word-break:break-word}.stats{display:flex;gap:12px;flex-wrap:wrap}.pill{border:1px solid var(--line);border-radius:999px;padding:6px 10px}@media(max-width:760px){.grid{grid-template-columns:1fr}main{padding:14px}}@media(prefers-color-scheme:dark){:root{--bg:#0f172a;--card:#111827;--text:#f3f4f6;--muted:#9ca3af;--line:#334155}}